Re: How to work with COM classes and std::map
Barzo <dbarzo@gmail.com> wrote:
void WaveStreamEvents::OnStreamDebugMsg(EuroAudioLib::IWaveStream*
Sender, std::string msg)
{
_bstr_t b_msg(msg.c_str());
WaveStreamObj_.Fire_OnStreamDebugMsg( &WaveStreamObj_, b_msg.copy
() );
I'm pretty sure you are leaking a BSTR here.
Maybe I have to use .Detach():
WaveStreamObj_.Fire_OnStreamDebugMsg(&WaveStreamObj_, b_msg.Detach())
Just do
WaveStreamObj_.Fire_OnStreamDebugMsg(&WaveStreamObj_, b_msg)
STDMETHODIMP CWaveStream::get_TxIP(BSTR* pVal)
{
if (stream_) {
_bstr_t* sIP = new _bstr_t( stream_->getTxIP().c_str() );
*pVal = sIP->copy();
And here you are leaking both a heap-allocated _bstr_t object and
the BSTR it wraps.
Is this better?
if (pVal) {
_bstr_t* bstr = new _bstr_t( device_->getFileName(channel).c_str
() );
*pVal = bstr->Detach();
delete bstr;
}
Yes, though it's not clear why you create _bstr_t instance on the heap. =
Why not just
*pVal = _bstr_t(...).Detach();
--
With best wishes,
Igor Tandetnik
With sufficient thrust, pigs fly just fine. However, this is not =
necessarily a good idea. It is hard to be sure where they are going to =
land, and it could be dangerous sitting under them as they fly overhead. =
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